[LU-334] Lustre client procfs stats: it is valuable to distinguish between client fs cache hits and misses.

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Assignee: Robert Read (Inactive)
• Reporter: Richard Henwood (Inactive)

Description

The Lustre client has a cache. File reads may be serviced by this
cache, or the may need to be completed by the backend filesystem (a
cache miss). It is possible to discover if a cache miss has taken
place on the client, but it is time consuming and subject to race
conditions.